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TI-83 Plus Matrices 271
abs(
abs(
(absolute value,
MATH NUM
menu) returns a matrix containing the
absolute value of each element of
matrix
.
abs(
matrix
)
round(
round(
(
MATH NUM
menu) returns a matrix. It rounds every element in
matrix
to #
decimals
(
9). If
#decimals
is omitted, the elements are rounded
to 10 digits.
round(
matrix
[
,
#decimals
]
)
M
1
(Inverse)
Use the
L
1
function (
œ
) to invert a matrix (
^
L
1
is not valid).
matrix
must be
square. The determinant cannot equal zero.
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